The BGP Instability Report

The BGP Instability Report is updated daily. This report
was generated on 23 May 2013 06:18 (UTC+1000)

50 Most active ASes for the past 7 days

RANK	ASN	UPDs	%	Prefixes	UPDs/Prefix	AS NAME
1	36998	179939	7.92%	1237	145.46	SDN-MOBITEL
2	9829	49148	2.16%	1512	32.51	BSNL-NIB National Internet Backbone
3	8402	35638	1.57%	2151	16.57	CORBINA-AS OJSC "Vimpelcom"
4	5800	29153	1.28%	241	120.97	DNIC-ASBLK-05800-06055 - DoD Network Information Center
5	31148	28685	1.26%	796	36.04	FREENET-AS Freenet Ltd.
6	2708	27391	1.21%	147	186.33	Universidad de Guanajuato
7	15003	24575	1.08%	797	30.83	NOBIS-TECH - Nobis Technology Group, LLC
8	28573	23085	1.02%	3906	5.91	NET Serviços de Comunicação S.A.
9	4538	18995	0.84%	522	36.39	ERX-CERNET-BKB China Education and Research Network Center
10	17974	17799	0.78%	2515	7.08	TELKOMNET-AS2-AP PT Telekomunikasi Indonesia
11	45899	17399	0.77%	375	46.40	VNPT-AS-VN VNPT Corp
12	3909	16449	0.72%	32	514.03	QWEST-AS-3908 - Qwest Communications Company, LLC
13	9416	15861	0.70%	52	305.02	MULTIMEDIA-AS-AP Hoshin Multimedia Center Inc.
14	7552	15404	0.68%	1173	13.13	VIETEL-AS-AP Vietel Corporation
15	27738	14253	0.63%	567	25.14	Ecuadortelecom S.A.
16	10620	14022	0.62%	2640	5.31	Telmex Colombia S.A.
17	29049	13273	0.58%	340	39.04	DELTA-TELECOM-AS Delta Telecom LTD.
18	33776	13118	0.58%	184	71.29	STARCOMMS-ASN
19	13489	12757	0.56%	432	29.53	EPM Telecomunicaciones S.A. E.S.P.
20	34744	10670	0.47%	690	15.46	GVM S.C. GVM SISTEM 2003 S.R.L.
21	30693	10305	0.45%	391	26.36	EONIX-CORPORATION-AS-WWW-EONIX-NET - Eonix Corporation
22	29684	9763	0.43%	58	168.33	NOURNET-ASN Nour Communication Co.Ltd - Nournet
23	647	9681	0.43%	125	77.45	DNIC-ASBLK-00616-00665 - DoD Network Information Center
24	33922	9586	0.42%	52	184.35	NTT-LT-AS UAB Nacionalinis Telekomunikaciju Tinklas
25	23966	9428	0.41%	349	27.01	LDN-AS-PK LINKdotNET Telecom Limited
26	12880	8736	0.38%	141	61.96	DCI-AS Information Technology Company (ITC)
27	48612	8323	0.37%	14	594.50	RTC-ORENBURG-AS CJSC "Comstar-Regions"
28	25184	8243	0.36%	133	61.98	AFRANET AFRANET Co. Tehran, Iran
29	14420	8176	0.36%	486	16.82	CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP
30	2118	8029	0.35%	1390	5.78	RELCOM-AS OOO "NPO Relcom"
31	26615	7435	0.33%	362	20.54	Tim Celular S.A.
32	6629	7334	0.32%	64	114.59	NOAA-AS - NOAA
33	7029	7225	0.32%	2304	3.14	WINDSTREAM - Windstream Communications Inc
34	27735	7188	0.32%	12	599.00	Synapsis Soluciones y Servicios IT LTDA
35	24323	7165	0.32%	63	113.73	AAMRA-NETWORKS-AS-AP aamra networks limited,
36	16608	7128	0.31%	21	339.43	KENTEC - Kentec Communications, Inc.
37	49100	7062	0.31%	75	94.16	IR-THR-PTE Pishgaman Toseeh Ertebatat Company (Private Joint-Stock)
38	8571	6929	0.30%	51	135.86	PARDIS Pardis Ettela Resaan Sepehr
39	27831	6868	0.30%	167	41.13	Colombia Móvil
40	18207	6614	0.29%	554	11.94	YOU-INDIA-AP YOU Broadband & Cable India Ltd.
41	21341	6612	0.29%	51	129.65	SINET-AS Soroush Rasanheh Company Ltd
42	18403	6246	0.27%	568	11.00	FPT-AS-AP The Corporation for Financing & Promoting Technology
43	1241	6227	0.27%	56	111.20	FORTHNET-GR Forthnet
44	14680	6182	0.27%	3	2060.67	REALE-6 - Auction.com
45	27947	6077	0.27%	842	7.22	Telconet S.A
46	15723	6074	0.27%	82	74.07	AZERONLINE Azeronline Information Services
47	8151	5980	0.26%	1274	4.69	Uninet S.A. de C.V.
48	6174	5927	0.26%	2	2963.50	SPRINTLINK8 - Sprint
49	34143	5881	0.26%	173	33.99	IHOME-AS Freenet Ltd.
50	22356	5794	0.26%	9	643.78	Durand do Brasil Ltda
Total		799832	35.19%

50 Most active ASes for the past 7 days

RANK	ASN	UPDs/Prefix	%	Prefixes	UPDs	AS NAME
1	6629	7334.0	0.32%	64	7334	NOAA-AS - NOAA
2	8137	4134.0	0.18%	17	4134	DISNEYONLINE-AS - Disney Online
3	16608	3564.0	0.31%	21	7128	KENTEC - Kentec Communications, Inc.
4	42334	3077.0	0.14%	17	3077	BBP-AS Broadband Plus s.a.l.
5	6174	2963.5	0.26%	2	5927	SPRINTLINK8 - Sprint
6	3909	2741.5	0.72%	32	16449	QWEST-AS-3908 - Qwest Communications Company, LLC
7	9416	2265.9	0.70%	52	15861	MULTIMEDIA-AS-AP Hoshin Multimedia Center Inc.
8	44971	2149.5	0.19%	2	4299	GOETEC-AS GOETEC Limited
9	19406	2137.5	0.19%	11	4275	TWRS-MA - Towerstream I, Inc.
10	36948	2111.0	0.19%	2	4222	KENIC
11	14680	2060.7	0.27%	3	6182	REALE-6 - Auction.com
12	60924	1901.0	0.08%	1	1901	ORIXCOM Orixcom JLT
13	27735	1797.0	0.32%	12	7188	Synapsis Soluciones y Servicios IT LTDA
14	60811	1750.0	0.08%	1	1750	SAIPAYADAH-AS Saipa Yadak Co. PLC
15	37318	1637.0	0.07%	1	1637	BESA
16	22356	1448.5	0.26%	9	5794	Durand do Brasil Ltda
17	37367	1124.5	0.10%	2	2249	CALLKEY
18	33920	1052.0	0.09%	9	2104	AQL (aq) Networks Limited
19	15947	725.0	0.06%	2	1450	CCBISP-AS Cork Community Broadband Limited
20	10445	677.8	0.15%	17	3389	HTG - Huntleigh Telcom
21	46817	660.3	0.17%	12	3962	MTAINC - Midwest Telecom of America, Inc
22	57201	652.0	0.03%	1	652	EDF-AS Estonian Defence Forces
23	33922	639.1	0.42%	52	9586	NTT-LT-AS UAB Nacionalinis Telekomunikaciju Tinklas
24	40765	638.0	0.03%	1	638	BARTLETTANDCO - Bartlett & Co.
25	26341	634.3	0.08%	5	1903	OSI-ASP - Open Solutions Inc.
26	13425	600.0	0.03%	1	600	JUNO-DC-1 - Juno Online Services, Inc.
27	48612	594.5	0.37%	14	8323	RTC-ORENBURG-AS CJSC "Comstar-Regions"
28	22688	571.5	0.05%	2	1143	DOLGENCORP - Dollar General Corporation
29	2	508.0	0.02%	1	508	UDEL-DCN - University of Delaware
30	27095	470.0	0.04%	2	940	DNIC-ASBLK-27032-27159 - DoD Network Information Center
31	47887	449.3	0.14%	8	3145	NEU-AS NEU Telecom & Technologies
32	32020	432.8	0.23%	32	5193	TRANSACT-BM-ASN - Transact Ltd.
33	37136	421.0	0.09%	5	2105	ETISALAT-AS
34	57851	416.0	0.02%	1	416	GENESIS-HOUSING-ASSOCIATION-LIMITED Genesis Housing Association Limited
35	1241	415.1	0.27%	56	6227	FORTHNET-GR Forthnet
36	35292	376.0	0.03%	11	752	ELXSI-AS Martin Kluge
37	37420	370.0	0.03%	2	740	UNIV-JOS
38	10234	366.0	0.02%	6	366	ZURICH-AUSTRALIA-AS-AP Zurich Financial Services Australia
39	2708	355.7	1.21%	147	27391	Universidad de Guanajuato
40	37340	355.0	0.19%	20	4260	Spectranet
41	36795	354.0	0.02%	3	354	FNFCOLORADO-COM - Fidelity National Financial, Inc.
42	37307	349.0	0.02%	1	349	AGRA
43	46047	326.0	0.01%	1	326	POLSRI-AS-ID Politeknik Negeri Sriwijaya
44	30945	324.0	0.01%	1	324	BELSOFT-AS NPP BELSOFT Inc.
45	38764	310.3	0.04%	3	931	POLRI-AS-ID MARKAS BESAR KEPOLISIAN REPUBLIK INDONESIA
46	44154	283.0	0.01%	1	283	SOFTEH-AS SC Softeh Plus SRL
47	12941	276.0	0.05%	4	1104	INTERSAAR-AS intersaar GmbH
48	52683	276.0	0.02%	2	552	HiperNET Servico de Comunicacao LTDA ME
49	12654	270.5	0.20%	26	4598	RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
50	58385	260.8	0.05%
Total		59605.6	8.58%

50 Most active Prefixes for the past 7 days

RANK	PREFIX	UPDs	%	Origin AS -- AS NAME
1	88.216.171.0/24	9539	0.39%	33922 -- NTT-LT-AS UAB Nacionalinis Telekomunikaciju Tinklas
2	193.19.90.0/23	9128	0.38%	29684 -- NOURNET-ASN Nour Communication Co.Ltd - Nournet
3	92.246.207.0/24	8283	0.34%	48612 -- RTC-ORENBURG-AS CJSC "Comstar-Regions"
4	203.118.232.0/21	7961	0.33%	9416 -- MULTIMEDIA-AS-AP Hoshin Multimedia Center Inc.
5	203.118.224.0/21	7890	0.32%	9416 -- MULTIMEDIA-AS-AP Hoshin Multimedia Center Inc.
6	192.58.232.0/24	7334	0.30%	6629 -- NOAA-AS - NOAA
7	206.48.139.0/24	7182	0.30%	27735 -- Synapsis Soluciones y Servicios IT LTDA
8	194.219.56.0/24	6083	0.25%	1241 -- FORTHNET-GR Forthnet
9	151.118.255.0/24	5473	0.23%	3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC
10	151.118.254.0/24	5473	0.23%	3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC
11	151.118.18.0/24	5458	0.22%	3909 -- QWEST-AS-3908 - Qwest Communications Company, LLC
12	12.139.133.0/24	5072	0.21%	14680 -- REALE-6 - Auction.com
13	209.240.40.0/21	5060	0.21%	32020 -- TRANSACT-BM-ASN - Transact Ltd.
14	173.232.234.0/24	4865	0.20%	30693 -- EONIX-CORPORATION-AS-WWW-EONIX-NET - Eonix Corporation
15	173.232.235.0/24	4862	0.20%	30693 -- EONIX-CORPORATION-AS-WWW-EONIX-NET - Eonix Corporation
16	194.63.9.0/24	4593	0.19%	1273 -- CW Cable and Wireless Worldwide plc
17	69.38.178.0/24	4272	0.18%	19406 -- TWRS-MA - Towerstream I, Inc.
18	198.187.189.0/24	4134	0.17%	8137 -- DISNEYONLINE-AS - Disney Online
19	64.187.64.0/23	3973	0.16%	16608 -- KENTEC - Kentec Communications, Inc.
20	5.56.48.0/21	3932	0.16%	44971 -- GOETEC-AS GOETEC Limited
21	209.142.140.0/24	3596	0.15%	22561 -- DIGITAL-TELEPORT - Digital Teleport Inc.
22	64.187.64.0/24	3155	0.13%	16608 -- KENTEC - Kentec Communications, Inc.
23	62.84.76.0/24	3077	0.13%	42334 -- BBP-AS Broadband Plus s.a.l.
24	2.93.235.0/24	3022	0.12%	8402 -- CORBINA-AS OJSC "Vimpelcom"
25	206.105.75.0/24	2964	0.12%	6174 -- SPRINTLINK8 - Sprint
26	208.16.110.0/24	2963	0.12%	6174 -- SPRINTLINK8 - Sprint
27	214.16.164.0/22	2931	0.12%	5800 -- DNIC-ASBLK-05800-06055 - DoD Network Information Center
28	189.124.96.0/20	2886	0.12%	22356 -- Durand do Brasil Ltda
29	200.160.200.0/21	2870	0.12%	22356 -- Durand do Brasil Ltda
30	84.205.66.0/24	2607	0.11%	12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
31	148.208.137.0/24	2517	0.10%	8151 -- Uninet S.A. de C.V.
32	196.1.4.0/24	2426	0.10%	36948 -- KENIC
33	203.215.32.0/24	2413	0.10%	55330 -- GCN-DCN-AS AFGHANTELECOM GOVERNMENT COMMUNICATION NETWORK
34	115.170.128.0/17	2333	0.10%	4847 -- CNIX-AP China Networks Inter-Exchange
35	41.75.40.0/21	2244	0.09%	37367 -- CALLKEY
36	78.40.240.0/24	2103	0.09%	33920 -- AQL (aq) Networks Limited
37	81.28.116.0/24	2102	0.09%	47887 -- NEU-AS NEU Telecom & Technologies
38	185.23.196.0/22	1901	0.08%	60924 -- ORIXCOM Orixcom JLT
39	63.94.193.0/24	1896	0.08%	26341 -- OSI-ASP - Open Solutions Inc.
40	161.139.100.0/22	1801	0.07%	24514 -- MYREN-MY Malaysian Research & Education Network 9930 -- TTNET-MY TIME dotCom Berhad
41	198.32.67.0/24	1796	0.07%	36948 -- KENIC
42	46.209.202.0/24	1750	0.07%	60811 -- SAIPAYADAH-AS Saipa Yadak Co. PLC
43	74.114.232.0/24	1644	0.07%	46817 -- MTAINC - Midwest Telecom of America, Inc
44	196.43.210.0/24	1637	0.07%	37318 -- BESA
45	202.41.70.0/24	1622	0.07%	2697 -- ERX-ERNET-AS Education and Research Network
46	65.122.84.0/24	1596	0.07%	46817 -- MTAINC - Midwest Telecom of America, Inc
47	208.23.227.0/24	1139	0.05%	22688 -- DOLGENCORP - Dollar General Corporation
48	205.82.196.0/24	1092	0.04%	3475 -- DNIC-AS-03475 - Navy Network Information Center (NNIC)
49	103.23.116.0/24	989	0.04%	58385 -- BSM-AS-ID PT. Bank Syariah Mandiri
50	41.138.91.0/24	980	0.04%	37136 -- ETISALAT-AS
Total		186619	7.70%

7 Day BGP Profile: 16-May-2013 00:00 - 22-May-2013 23:59 (UTC+1000)

Number of BGP Update Messages:	1006649
Number of Prefix Updates:	2271890
Number of Prefix Withdrawals:	158790
Average Prefixes per BGP Update:	2.41
Average BGP Update Messages per second:	1.46
Average Prefix Updates per second:	3.52
Peak BGP Update Message Rate per second:	1288	(02:02:31 Thu, 16-May-2013)
Peak Prefix Update Rate per second:	1067	(06:39:31 Thu, 16-May-2013)
Peak Prefix Withdraw Rate per second:	5376	(13:06:05 Thu, 16-May-2013)
Prefix Count:	466420
Updated Prefix Count:	197193
Stable Prefix Count:	269227
Origin AS Count:	44262
Updated Origin AS Count:	22985
Stable Origin AS Count:	21277
Unique Path Count:	226428
Updated Path Count:	138456
Stable Path Count:	87972

Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type

Hourly Peak of Per-Second Updated Prefix Rate by Update Type

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates

Notes

The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.